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ffmpeg, libav — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2023-6603

A flaw was found in FFmpeg's HLS playlist parsing. This vulnerability allows a denial of service via a maliciously crafted HLS playlist that triggers a null pointer dereference during initialization.

Products
ffmpeg, libav
Affected versions
6:0.8.7-1ubuntu2, 6:9.10-1ubuntu1, 6:9.10-1ubuntu2, 6:9.10-1ubuntu5, 6:9.10-1ubuntu6, 6:9.10-1ubuntu7, 6:9.11-2ubuntu1, 6:9.11-2ubuntu2, 6:9.13-0ubuntu0.14.04.1, 6:9.14-0ubuntu0.14.04.1, 6:9.16-0ubuntu0.14.04.1, 6:9.18-0ubuntu0.14.04.1, 6:9.20-0ubuntu0.14.04.1, 6:9.20-0ubuntu0.14.04.1+esm1, 7:2.7.2-1build1, 7:2.8.1-1ubuntu1, 7:2.8.10-0ubuntu0.16.04.1, 7:2.8.11-0ubuntu0.16.04.1, 7:2.8.14-0ubuntu0.16.04.1, 7:2.8.15-0ubuntu0.16.04.1, 7:2.8.15-0ubuntu0.16.04.1+esm1, 7:2.8.17-0ubuntu0.1, 7:2.8.17-0ubuntu0.1+esm1, 7:2.8.17-0ubuntu0.1+esm10, 7:2.8.17-0ubuntu0.1+esm11, 7:2.8.17-0ubuntu0.1+esm12, 7:2.8.17-0ubuntu0.1+esm2, 7:2.8.17-0ubuntu0.1+esm3, 7:2.8.17-0ubuntu0.1+esm4, 7:2.8.17-0ubuntu0.1+esm5, 7:2.8.17-0ubuntu0.1+esm6, 7:2.8.17-0ubuntu0.1+esm7, 7:2.8.17-0ubuntu0.1+esm8, 7:2.8.17-0ubuntu0.1+esm9, 7:2.8.2-1ubuntu1, 7:2.8.3-1, 7:2.8.4-1, 7:2.8.4-1ubuntu1, 7:2.8.4-1ubuntu2, 7:2.8.4-1ubuntu3, 7:2.8.4-1ubuntu4, 7:2.8.6-1ubuntu1, 7:2.8.6-1ubuntu2, 7:2.8.8-0ubuntu0.16.04.1, 7:3.3.4-2, 7:3.3.4-2build3, 7:3.4-2ubuntu2, 7:3.4-4, 7:3.4-4build1, 7:3.4.1-1, 7:3.4.1-1build1, 7:3.4.11-0ubuntu0.1, 7:3.4.11-0ubuntu0.1+esm1, 7:3.4.11-0ubuntu0.1+esm10, 7:3.4.11-0ubuntu0.1+esm2, 7:3.4.11-0ubuntu0.1+esm3, 7:3.4.11-0ubuntu0.1+esm4, 7:3.4.11-0ubuntu0.1+esm5, 7:3.4.11-0ubuntu0.1+esm6, 7:3.4.11-0ubuntu0.1+esm7, 7:3.4.11-0ubuntu0.1+esm8, 7:3.4.11-0ubuntu0.1+esm9, 7:3.4.2-1, 7:3.4.2-1build1, 7:3.4.2-2, 7:3.4.4-0ubuntu0.18.04.1, 7:3.4.6-0ubuntu0.18.04.1, 7:3.4.8-0ubuntu0.2, 7:4.1.4-1build2, 7:4.2.1-2, 7:4.2.1-2ubuntu1, 7:4.2.2-1build1, 7:4.2.2-1ubuntu1, 7:4.2.4-1ubuntu0.1, 7:4.2.4-1ubuntu0.1+esm1, 7:4.2.7-0ubuntu0.1, 7:4.2.7-0ubuntu0.1+esm1, 7:4.2.7-0ubuntu0.1+esm10, 7:4.2.7-0ubuntu0.1+esm2, 7:4.2.7-0ubuntu0.1+esm3, 7:4.2.7-0ubuntu0.1+esm4, 7:4.2.7-0ubuntu0.1+esm5, 7:4.2.7-0ubuntu0.1+esm6, 7:4.2.7-0ubuntu0.1+esm7, 7:4.2.7-0ubuntu0.1+esm8, 7:4.2.7-0ubuntu0.1+esm9, 7:4.4-6ubuntu5, 7:4.4.1-2ubuntu1, 7:4.4.1-3ubuntu1, 7:4.4.1-3ubuntu2, 7:4.4.1-3ubuntu3, 7:4.4.1-3ubuntu5, 7:4.4.2-0ubuntu0.22.04.1, 7:4.4.2-0ubuntu0.22.04.1+esm1, 7:4.4.2-0ubuntu0.22.04.1+esm2, 7:4.4.2-0ubuntu0.22.04.1+esm3, 7:4.4.2-0ubuntu0.22.04.1+esm4, 7:4.4.2-0ubuntu0.22.04.1+esm5, 7:4.4.2-0ubuntu0.22.04.1+esm6, 7:4.4.2-0ubuntu0.22.04.1+esm7, 7:4.4.2-0ubuntu0.22.04.1+esm8, 7:4.4.2-0ubuntu0.22.04.1+esm9, 7:7.1.1-1ubuntu1, 7:7.1.1-1ubuntu2, 7:7.1.1-1ubuntu3, 7:7.1.1-1ubuntu4, 7:7.1.1-1ubuntu4.1, 7:7.1.1-1ubuntu4.2, 7:7.1.2-1ubuntu3, 7:7.1.2-1ubuntu4, 7:7.1.3-1ubuntu1, 7:8.0.1-2ubuntu1, 7:8.0.1-3ubuntu1, 7:8.0.1-3ubuntu2, 7:8.0.1-3ubuntu2+esm1, 7:8.0.1-3ubuntu2+esm3, 7:8.0.1-3ubuntu2+esm4, 7:8.0.1-3ubuntu2+esm5, 7:8.1-3ubuntu3, 7:8.1.2-2ubuntu2
Fixed versions
7:2.8.17-0ubuntu0.1+esm13, 7:3.4.11-0ubuntu0.1+esm11, 7:4.2.7-0ubuntu0.1+esm11, 7:4.4.2-0ubuntu0.22.04.1+esm10
CVEs
CVE-2023-6603
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:06 UTC · Revision 1

Source evidence

UBUNTU-CVE-2023-6603

core-osv · Original source

Published 31 Dec 2024, 15:15 UTC

A flaw was found in FFmpeg's HLS playlist parsing. This vulnerability allows a denial of service via a maliciously crafted HLS playlist that triggers a null pointer dereference during initialization.

osv:UBUNTU-CVE-2023-6603

libav

Fixed versions: Not specified

ffmpeg

Fixed versions: 7:2.8.17-0ubuntu0.1+esm13

ffmpeg

Fixed versions: 7:3.4.11-0ubuntu0.1+esm11

ffmpeg

Fixed versions: 7:4.2.7-0ubuntu0.1+esm11

ffmpeg

Fixed versions: 7:4.4.2-0ubuntu0.22.04.1+esm10

ffmpeg

Fixed versions: Not specified

ffmpeg

Fixed versions: Not specified

ffmpeg

Fixed versions: Not specified

Complete source record
{
  "id": "61047298ab5bc5775b95a9e64f424f56c7314ee081c71c790ed1b45ba6fb01cd",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-6603",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2023-6603",
    "summary": "A flaw was found in FFmpeg's HLS playlist parsing. This vulnerability allows a denial of service via a maliciously crafted HLS playlist that triggers a null pointer dereference during initialization.",
    "evidence": "osv:UBUNTU-CVE-2023-6603",
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            "evidence": "/affected/2/versions"
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            "evidence": "/affected/2/versions"
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            "evidence": "/affected/2/versions"
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            "evidence": "/affected/5/versions"
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            "evidence": "/affected/5/versions"
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      },
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            "evidence": "/affected/6/versions"
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      "id": "UBUNTU-CVE-2023-6603",
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        {
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        },
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      "provider": "osv",
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        "https://www.cve.org/CVERecord?id=CVE-2023-6603",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2334335",
        "https://ubuntu.com/security/notices/USN-7830-1",
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    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 355708,
  "published_at": "2024-12-31T15:15:00+00:00"
}